Question : Stomatal opening is based on which of the following?

Option 1: Exosmosis

Option 2: Endosmosis

Option 3: Plasmolysis in guard cells

Option 4: Decrease in concentration of cell sap

Question : The process of imbibition involves

Option 1: Diffusion

Option 2: Capillary action

Option 3: Absorption

Option 4: Both 1 and 2

Question : When a bar magnet is cut in two halves, the pole strength of each piece

Option 1: becomes double

Option 2: becomes half

Option 3: becomes zero

Option 4: remains the same

Question : Directions: Select the correct option to indicate the arrangement of the following words in a logical and meaningful order.
1. Tissue
2. Population
3. Organ
4. Cell
5. Organism

Option 1: 4, 1, 3, 2, 5

Option 2: 1, 4, 3, 2, 5

Option 3: 4, 1, 3, 5, 2

Option 4: 1, 4, 2, 5, 3

Question : Which of the following cell structures is present only in plant cells?

Option 1: Mitochondria

Option 2: Cell wall

Option 3: Cell membrane

Option 4: Vacuole